11030040040 has 64 divisors (see below), whose sum is σ = 25186464000. Its totient is φ = 4346684160.

The previous prime is 11030039989. The next prime is 11030040053. The reversal of 11030040040 is 4004003011.

It is a self number, because there is not a number n which added to its sum of digits gives 11030040040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548006 + ... + 1555114.

It is an arithmetic number, because the mean of its divisors is an integer number (393538500).

Almost surely, 2^11030040040 is an apocalyptic number.

11030040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11030040040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12593232000).

11030040040 is an abundant number, since it is smaller than the sum of its proper divisors (14156423960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11030040040 is a wasteful number, since it uses less digits than its factorization.

11030040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690 (or 7686 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11030040040 its reverse (4004003011), we get a palindrome (15034043051).

The spelling of 11030040040 in words is "eleven billion, thirty million, forty thousand, forty".